Cod sursa(job #255699)

Utilizator siminescuPaval Cristi Onisim siminescu Data 10 februarie 2009 12:18:53
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.3 kb
Raporteaza aceasta sursa 
#include<fstream.h>
int main()
{
unsigned long n,p,rez,m=1999999973;
ifstream f("lgput.in");
ofstream g("lgput.out");
f>>n;
f>>p;
rez=1;
while(p!=0)
	{
	if(p%2==1)
		{
		rez=(rez*n)%m;
		p=p-1;
		}
	else
	{
	n=(n*n)%m;
	p=p/2;
	}
	}

g<<rez;
f.close();
g.close();
return 0;
}